This page tracks the Debian fix status. The vulnerability itself is described on the main CVE page.
View CVE-2026-91150 →
Unrated
A flaw was found in Cockpit. This vulnerability allows a remote attacker, without prior authentication, to send specially crafted fragmented WebSocket...
DEBIAN-CVE-2026-91150
First seen on SecPulse
Affected packages
| Package | Affected → Fixed | |
|---|---|---|
| Debian:12cockpit |
All versions→ Not listed |
Not listed |
| Debian:13cockpit |
All versions→ Not listed |
Not listed |
| Debian:14cockpit |
< 372-1→ 372-1 |
372-1 |
Original description The description as published by the source.
A flaw was found in Cockpit. This vulnerability allows a remote attacker, without prior authentication, to send specially crafted fragmented WebSocket messages. These messages accumulate without a total-size limit, leading to unbounded memory exhaustion and a denial of service in the cockpit-ws service.
Source: OSV.dev (Open Source Vulnerabilities) OSV
References
- advisory security-tracker.debian.org